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44 = 2 x 22/7 x r
44 = 44/7 x r
r = 44 x 7/44
r = 7 m2
maka;
Luas = πr² = 22/7 x 7 x 7 = 154 ?2
K = π × d
44 = 22/7 × d
d = 44 × 7/22
d = 2 × 7
d = 14
r = d : 2
= 14 m : 2
= 7 m
L = π × r²
= 22/7 × 7²
= 22/7 × 49
= 22 × 7
= 154 m
Jadi keliling kolam tersebut adalah 154 m.